Home / 290,384,000.80-435,576,001.20-117,943,424.80

Finding the Fourth Proportional to 290,384,000.80, 435,576,001.20 and 117,943,424.80

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Solution

The fourth proportional to 290,384,000.80, 435,576,001.20 and 117,943,424.80 is: 176,915,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,384,000.80 : 435,576,001.20 = 117,943,424.80 : x
  2. Step 2: Convert to fraction form
    290,384,000.80/435,576,001.20 = 117,943,424.80/x
  3. Step 3: Cross multiply
    290,384,000.80x = 435,576,001.20 × 117,943,424.80
  4. Step 4: Simplify right side
    290,384,000.80x = 51,373,325,342,216,904
  5. Step 5: Solve for x
    x = 51,373,325,342,216,904/290,384,000.80
  6. Step 6: Final answer
    x = 176,915,137.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.